Kerala PSC Previous Years Question Paper & Answer
Page:3
Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'Lecturer in Tool and Die Engineering (Polytechnic Colleges) - Technical Education ' And exam conducted in the year 2021. And Question paper code was '005/2021'. Medium of question paper was in Malayalam or English . Booklet Alphacode was 'A'. Answer keys are given at the bottom, but we suggest you to try answering the questions yourself and compare the key along wih to check your performance. Because we would like you to do and practice by yourself.
005/2021
Total Marks : 100 Marks
Time : 1 hour and 15 minutes
2 51
1. 714 = | 3 2 | then (^ 1)1 is given by
a [2 -3 छ) [2 1
^) |] 2 ® |, 2
2. Which of the following is a solution of the system of equations given by
3x+y+2z=3
2x —3y —z=-3
xt2y+z=4
(A) x=2,y=1,z=2 (8) x=l,y=-2,z=1
(ಲ) x=ly=2,z=-l (0) x=2,y=2,z=-l
3. Coefficient of xy? in the expansion of (2x — 39415
(A) 216 (B) -96
(© 96 (0) -216
4. The value of sin 51° + cos 81° is given by
(൧) cos 21° (B) ௦30
(C) sin 21° (2) sin 30°
5. The equation of the line that is parallel to the line 2x + تود = 7 and passing through the
mid point of the line joining (2, 7) and (-4, 1) 15
(A) 2x+5y—18=0 ൫ 2x+5y+18=0
(0 2x+5y+22=0 (0) 2x+5y—22=0
6. The maximum value of loge is at
x
1
(A) x= (8) =
e
1
(൭ حم (D) x=e
2
e
4 EIEN I 05/2021
2.70.)